Federal Reserve Bank of Dallas. "Cash Letters to Be Charged on Normal Banking Days, Circular No. 81-168," District Notices (Federal Reserve Bank of Dallas) (August 24, 1981). https://fraser.stlouisfed.org/title/5569/item/541350, accessed on October 20, 2018.
Bulletin 8 Related. Effective 9-15-81, Cash Letters to Be Charged on Normal Banking Days Though Payor Institution Closed.